# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1520239824 -28800
# Node ID c8c20fb57a9a402688d7d9d80e6596bb23f5b26f
# Parent  46506b32650a3c64d4e7130c1a43d4888a6cf66a
Don't read uninitialised value.
From https://github.com/libtom/libtommath/commit/1d03522625f46214733e8e143a4765c01fc146f9

diff -r 46506b32650a -r c8c20fb57a9a libtommath/bn_fast_s_mp_mul_digs.c
--- a/libtommath/bn_fast_s_mp_mul_digs.c	Mon Mar 05 16:29:57 2018 +0800
+++ b/libtommath/bn_fast_s_mp_mul_digs.c	Mon Mar 05 16:50:24 2018 +0800
@@ -87,7 +87,7 @@
   {
     mp_digit *tmpc;
     tmpc = c->dp;
-    for (ix = 0; ix < (pa + 1); ix++) {
+    for (ix = 0; ix < pa; ix++) {
       /* now extract the previous digit [below the carry] */
       *tmpc++ = W[ix];
     }